blithering idiot

• n. 疯狂的人；十足的白痴

blithering idiot的用法和样例：

例句

用作名词 (n.)

1. You are behaving like a perfect idiot.
   你表现得像个十足的白痴。
2. He seemed to recognize her although he looked all of an idiot.
   尽管他看上去就像十足的白痴，他似乎还是认出她来。